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categoryهندسة الحاسبات
schoolبكالوريوس
event_available2026-07-15
السؤال
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Q3.Write an assembly program to find the average of 20 numbers byte array defined in the data
segment, and then define two different macros.
The first one will take the average value found as input and check all the array to put all the
numbers less than the average in new array name it below_arr
The second macro will take the average value found as input and check all the array to put all the
numbers larger than the average in new array name it larger_arr.
005
Avg db ?
006
sum dw ?
007
below arr db?
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009
010
011
012
.code
013
014
015
larger arr db?
LEN DW $-My_Num
start up
test1 macro below
016
017
mov ax, data
018
mov ds, ax
019
020
LEA SI,My_Num
021
022
023
024
025
026
L1:
027
828
029
030
031
032
833
834
035
836
837
838
839
940
041
642
MOU CX 20
LEA DI be low_arr
Local L1, L2, L3, finish
Mov al, be low
cmp [sil, al
JGE L2
JC L3
L2: inc si
loop L1
jmp finish
L3 Mov dl, Isil
Mov [DI], dl
inc si
inc di
I
043
844
045
046
Loop Li
3,14,15,16,17,18,19,20
820
finish: nop
849
050
endn
051
852
second macro_2
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054 test2 macro large
055
856
057
058
LEA SI My Num
059
MOU CX.20
060
061
062
063
064
065
066
867
LEA DI, larger_arr
Local LL1, LL2, LL3, done, finis
LL1 nov al, large
cmp al. [SI]
JG LL3
JNGE LL2
868
I
069
870
LL3: loope LL1
071
jmp finis
072
873
LL2:
074
Mov al, [si]
875
076
877
Mov [DI 1.al
inc si
inc di
078
829
loope LL1
888
881
finis: nop
882
883
884
885
886 endn
887
088
889
898 nov ax, data
991 nov ds, ax
992
403
Tos i M.. N.m
inc di
878
879
loope LL1
080
081
finis: nop
882
083
084
085
086 endm
087
088
089
090 mov ax, data
091 mov ds, ax
092
093 lea si, My_Num
094 mov cx, 20
095 mov dh .0
096
097 L1: Mov D1, [SI]
898
Add sum,dx
099
inc si
100
Loop Li
101
102 Mov
AX, sum
103 Mov
bx, 20
104 div bl
105 mov avg, al
106
107 test2 avg
108 mov bl, avg
109 testi bl
110
111 end
T
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